There are 1 questions in this calculation: for each question, the 1 derivative of N is calculated.
    Note that variables are case sensitive.
\[ \begin{equation}\begin{split}[1/1]Find\ the\ first\ derivative\ of\ function\ \frac{0.376532N(0.725265 - N)}{0.725265}\ with\ respect\ to\ N：\\\end{split}\end{equation} \]\[ \begin{equation}\begin{split}\\Solution:&\\ &Primitive\ function\ = 0.376532N - 0.519164719102673N^{2}\\&\color{blue}{The\ first\ derivative\ function：}\\&\frac{d\left( 0.376532N - 0.519164719102673N^{2}\right)}{dN}\\=&0.376532 - 0.519164719102673*2N\\=& - 1.03832943820535N + 0.376532\\ \end{split}\end{equation} \]

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